S 420 (140.043) V8-4.2L (119.971) (1994)
Backup Lamp Switch: Description and Operation
W/O ASR
The starter lock-out/backup lamp switch (S16/1) sends a signal to the cruise control/idle speed control unit (N4/3) when the A/T shift lever is in
the "P" or "N" position.
W/ ASR
The starter lock-out/backup lamp switch (S16/3) sends a signal to the electronic accelerator control unit (N4/1) when the A/T shift lever is in the
"P" or "N" position.